Combined solution · Carbon & Graphite

Carbon Labyrinths

Chamber sealing that prevents conveyed media from escaping into the atmosphere, with all the advantageous properties of carbon and graphite materials.

Function & Material

Sealing without media escape

Carbon Labyrinths are used as a sealing element to prevent conveyed media from escaping into the atmosphere. They possess all the advantageous properties of carbon and graphite materials: chemical resistance, good sliding and dry-running properties, high dimensional stability and fatigue strength.

Chemically resistant Dimensionally stable To customer specification
Carbon labyrinth, non-contacting labyrinth seal made of carbon
Applications

Where Carbon Labyrinths seal

Carbon Labyrinths are used mainly as chamber sealing in process gas compressors, screw compressors and rotary lobe blowers. They find application in all areas of industry, in heat pumps and in process cooling. Further parts made of the same material are our carbon bushings and graphite machining to drawing.

Carbon Labyrinth, complete ring
Carbon Labyrinth, labyrinth chambers
Carbon Labyrinth, detail of the sealing chambers
Field of Application

Technical Data

Material
A10K
Operating temperature
max. 500 °C
Circumferential speed
max. 150 m/s
Shaft diameter
20…100 mm
Downloads
Data sheet (DE) Data sheet (EN)
FAQ

Frequently asked questions

What is a carbon labyrinth or labyrinth seal?

A carbon labyrinth is a non-contacting labyrinth seal made of carbon. Through consecutive sealing chambers (the labyrinth) the flow of the conveyed medium is throttled so that it does not escape into the atmosphere, without shaft and seal touching.

How does a labyrinth seal work?

The medium has to flow through several narrow gaps and chambers. Each chamber reduces the pressure so that leakage is greatly reduced. Because the seal works without contact, there is almost no wear.

Where are carbon labyrinths used?

Mainly as chamber sealing in process gas compressors, screw compressors and rotary lobe blowers, as well as in heat pumps and process cooling.

Why carbon as a material?

Carbon and graphite materials are chemically resistant, dimensionally stable, dry-running and suitable for high temperatures, ideal for a non-contacting seal in a compressor.

A carbon labyrinth made to measure?

Get in touch. We develop individual, tailor-made solutions to meet your requirements.

Get in touch